혼합계산 : 레벨2
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혼합계산: 레벨221
1
1+2+(9-5)
=
7
2
9/3/(7/7)
=
3
3
(5X6)-8X3
=
6
4
(8-4)X2X6
=
48
5
9-8+(1X4)
=
5
6
5X(4X4)/2
=
40
7
(3-2)X7-3
=
4
8
7X2X(5X1)
=
70
9
3+(5X4)+8
=
31
10
(2+1)-2+1
=
2
11
(3X2)X8/3
=
16
12
3X(7X2)+3
=
45
13
8+5+(9X3)
=
40
14
(1X6)+3X6
=
24
15
1+(2+5)X1
=
8